U-Pol B 4 Glass Fibre Repair Paste – 1.85L

Additional Information

Unleash Heavy-Duty Strength with U-Pol B 4 Glass Fibre Repair Paste - 1.85L (UPOLB/4)

Tackle the most demanding repairs with unparalleled strength using U-Pol B 4 Glass Fibre Repair Paste, a robust 1.85-litre solution (UPOLB/4) designed for high-impact applications. This exceptionally durable polyester repair paste is pre-blended with chopped glass fibre strands, eliminating the need for separate matting and simplifying the repair process. Engineered to create extremely strong, rigid, and waterproof repairs, B 4 is the ultimate choice for bridging large holes, mending severe rust damage, reinforcing weakened sections, and rebuilding compromised areas on automotive panels, commercial vehicles, and various industrial structures. Its superior adhesion to steel, aluminium, GRP, and wood, combined with its high-build capabilities, ensures a permanent, resilient fix that withstands extreme conditions and maintains structural integrity.

Key Features and Benefits:

• Integrated Glass Fibre: Pre-mixed with chopped glass strands, allowing for direct application without the need for separate matting, streamlining complex repairs.
• Exceptional Structural Strength: Delivers incredibly robust and rigid repairs, providing superior impact resistance and preventing future cracking or degradation.
• Permanent Waterproof Barrier: Cures to form an impermeable, chemical-resistant layer, ideal for sealing against moisture ingress, preventing rust, and resisting fuels and oils.
• High-Build & Gap Filling: Excellently bridges large holes, deep depressions, and extensive damage, restoring original contours with fewer applications.
• Versatile Substrate Adhesion: Bonds powerfully and reliably to a wide range of materials including bare steel, aluminium, GRP (fibreglass), wood, and concrete.
• Generous 1.85-Litre Volume: Ample material for tackling significant repair projects, multiple applications, or high-volume professional use.
• Professional Grade Durability: A cornerstone U-Pol product, globally trusted for its unwavering performance and ability to produce long-lasting, heavy-duty repairs in challenging environments.

Application Process Summary:

• Ensure the repair area is meticulously cleaned, degreased, and properly prepared (free from rust and abraded to create a strong mechanical key).
• Mix the required amount of U-Pol B 4 Glass Fibre Repair Paste thoroughly with the appropriate hardener (confirm packaging for inclusion or separate purchase) according to U-Pol's precise ratio guidelines until a uniform colour is achieved.
• Apply the mixed paste using a spreader, pressing firmly to ensure optimal adhesion and thoroughly filling the imperfection.
• Allow the repair to cure completely (refer to the product's technical data sheet for specific times based on temperature) before sanding or overpainting.

Choose U-Pol B 4 Glass Fibre Repair Paste 1.85L for an unyielding, high-strength solution that provides reliable, long-term integrity to your most challenging repairs.